Add sysprop for MSFT HCI Ext vendor opcode

Bug: 390425327
Test: m .
Change-Id: I4dbe7be7876fa358849961baf02969d4f470a00a

srcs/android/sysprop/BluetoothProperties.sysprop

diff --git a/srcs/android/sysprop/BluetoothProperties.sysprop b/srcs/android/sysprop/BluetoothProperties.sysprop
index 6f71030..d36b542 100644
--- a/srcs/android/sysprop/BluetoothProperties.sysprop
+++ b/srcs/android/sysprop/BluetoothProperties.sysprop
@@ -881,3 +881,12 @@
     access: Readonly
     prop_name: "bluetooth.core.le.use_msft_hci_ext"
 }
+
+# MSFT HCI ext vendor opcode
+prop {
+    api_name: "getMsftVendorOpcode"
+    type: UInt
+    scope: Internal
+    access: Readonly
+    prop_name: "bluetooth.core.le.msft_vendor_opcode"
+}